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Projection mapping, similar to video mapping and spatial augmented reality, is a projection technique [1] [2] used to turn objects, often irregularly shaped, into display surfaces for video projection. The objects may be complex industrial landscapes, such as buildings, small indoor objects, or theatrical stages.
Arithmetic mean of the equirectangular projection and the Aitoff projection. Standard world projection for the NGS since 1998. 1904 Van der Grinten: Pseudoconic Compromise Alphons J. van der Grinten: Boundary is a circle. All parallels and meridians are circular arcs. Usually clipped near 80°N/S. Standard world projection of the NGS in 1922 ...
An introduction explaining the style objectives and the most convenient way to create a such map. A color summary table with two (up-to-date) map examples. The naming convention for upload, and other advice like the scale or the legend. An up-to-date SVG template. Further details on history, limits, and possible expansions. A gallery of examples.
[1] [2] [3] In a map projection, coordinates, often expressed as latitude and longitude, of locations from the surface of the globe are transformed to coordinates on a plane. [4] [5] Projection is a necessary step in creating a two-dimensional map and is one of the essential elements of cartography.
File:{Country name in English} (orthographic projection).svg; Or possibly File:{ISO 3-letter Country code} orthographic.svg; Further needs: Dimensions: 550x550 pixels. Border of the globe: 1.5 pixels. Latitude/longitude grid:.3 pixels in black with 77 in the transparency value. Coasts and borders of countries:.3 pixels. Legend: not needed.
The Map conventions page provides advice for creating and improving maps. The Map workshop page can be used to add your map requests and your sources. A graphist will create the requested map. The page is forum-based, to enable cross-teaching conversations to take place.
The projection used in later versions of the Dymaxion map can be generalized to other equilateral triangular faces, [4] and even to certain quadrilaterals. [5] Polyhedral map projections are useful for creating discrete global grids, as with the quadrilateralized spherical cube and Icosahedral Snyder Equal Area (ISEA) grids. [6]
However, the advent of Web mapping gave the projection an abrupt resurgence in the form of the Web Mercator projection. Today, the Mercator can be found in marine charts, occasional world maps, and Web mapping services, but commercial atlases have largely abandoned it, and wall maps of the world can be found in many alternative projections.